Oleoweb S.r.l.
B03S Single Counterbalance Valves
Model No.: B03S
The B03S series is a compact single counterbalance (overcenter) valve line with BSPP 1/4 ports. It is offered as a non-compensated version (N) for open-center systems and a compensated version (C) for closed-center systems, with in-line (L1), externally piloted (P1), by-pass relief (PL) and non-coaxial flanged (F3) bodies. Options include pilot ratios of 4:1, 8:1 and 11.5:1, setting ranges of 60-210 bar or 100-350 bar, steel (zinc or zinc-nickel plated) or aluminium bodies, and NBR or Viton seals.
Specifications
| Valve type | Single counterbalance |
| Center type | Open and closed center versions |
| Mounting | 인라인 / 파일럿 포트 / 릴리프 내장 / 플랜지 (In-line / piloted / with relief / flanged) |
| Port sizes | BSPP 1/4 |
| Max flow | 30 L/min |
| Max pressure | 350 bar |
| Pilot ratio | 4:1 / 8:1 / 11.5:1 |
| Setting range | 60-210 bar / 100-350 bar |
| Body material | 강(아연·아연-니켈 도금) 또는 알루미늄 (Steel zinc/zinc-nickel plated or aluminium) |